ENS 47183
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ENS Event | |
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18:01 Aug 23, 2011 | |
Title | Notification of Unusual Event Due to Seismic Event |
Event Description | PBAPS [Peach Bottom Atomic Power Station] Units 2 and 3 experienced a seismic event which was felt in the control room in conjunction with a seismic trigger alarm set a 0.01G acceleration. The operating basis earthquake alarm of 0.05G was not received.
'Both units continue to operate at pre-event levels. Currently there is no indication of damage at the site. Initial plant walkdowns indicate no plant damage and walkdowns are continuing. There were no personnel injuries. The licensee has notified the NRC Resident Inspector.
At 1750 hrs. EDT, Peach Bottom terminated the Unusual Event that was declared at 1401 today due to a seismic event that occurred at the station. Both Unit 2 and 3 operational walk downs of the site have been completed. There are no issues related to the seismic event which would impact continued safe operation of either unit. The licensee has made state and local notifications as well as notifying the NRC Resident Inspector. Notified R1 IRC (Dentil), IRD (Gott), DHS, FEMA, HHS, USDA. |
Where | |
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Peach Bottom Pennsylvania (NRC Region 1) | |
Reporting | |
Emergency class: | Unusual Event |
10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
Time - Person (Reporting Time:+-3.18 h-0.133 days <br />-0.0189 weeks <br />-0.00436 months <br />) | |
Opened: | Mitchell Saave 14:50 Aug 23, 2011 |
NRC Officer: | Howie Crouch |
Last Updated: | Aug 23, 2011 |
47183 - NRC Website
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Unit 2 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
Unit 3 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (93 %) |
After | Power Operation (93 %) |
WEEKMONTHYEARENS 552612021-05-17T16:38:00017 May 2021 16:38:00
[Table view]10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Due to a Fire Alarm Inside the Drywell ENS 543402019-10-21T04:50:00021 October 2019 04:50:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to No Control Rod Movement with Manual Scram Actuation ENS 471832011-08-23T18:01:00023 August 2011 18:01:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notification of Unusual Event Due to Seismic Event ENS 435562007-08-08T19:25:0008 August 2007 19:25:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Alert Declared to Due Potential Hazardous Atmosphere in a Emergency Diesel Generator Room ENS 431892007-02-27T14:41:00027 February 2007 14:41:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Fire Inside the Unit 3 Turbine Area Load Center ENS 428872006-10-07T22:02:0007 October 2006 22:02:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event - Loss of Containment Integrity ENS 427792006-08-15T22:14:00015 August 2006 22:14:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Due to Fire on Roof of Edg Building ENS 401582003-09-15T06:39:00015 September 2003 06:39:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Dual Unit Reactor Scram. Discretionay Unusual Event Declared 2021-05-17T16:38:00 | |
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